WD Gold + Synology Problem

Please tell me - if there is a fresh firmware for WDC WD4002FYYZ-01B7CB0?
I has 01.01M02 firmware on all my drives in Synology and got a periodically system hangs.
Synology support guys tell I should install the latest firmware version (01.01M03), but WD support guys is never hears about this firmware.

Google tells me there is a version 01.01M03 available for WD4002FYYZ, but they don’t seem to offer individual firmware downloads or any way to see online when a new firmware is available. Instead they have a single firmware update utility for all of their drives. It is in the software section and is Windows or Mac only.

WD Universal Firmware Updater

Unfortunately, this updater doesn’t see the WD Gold. I suppose this updater for WD Smart Drive only (